<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <!-- import CSS -->
    <link rel="stylesheet" href="https://cdn.staticfile.org/element-ui/2.15.9/theme-chalk/index.css">
    <style>
        .c1 {
            border: 1px solid red;
            border-radius: 5px;
            height: 50px;
        }
    </style>
</head>
<body>
<div id="app">
    <h1>布局</h1>
    <!-- el-row 表示行 -->
    <el-row>
        <!-- el-col 表示列 span 设置所占的列数 总共24列 -->
        <el-col span="12">
            <div class="c1"></div>
        </el-col>
        <el-col span="12">
            <div class="c1"></div>
        </el-col>
    </el-row>

    <el-row>
        <el-col span="6">
            <div class="c1"></div>
        </el-col>
        <el-col span="6">
            <div class="c1"></div>
        </el-col>
        <el-col span="6">
            <div class="c1"></div>
        </el-col>
        <el-col span="6">
            <div class="c1"></div>
        </el-col>
    </el-row>

    <!-- gutter 设置间距 -->
    <el-row gutter="10">
        <el-col span="16">
            <div class="c1"></div>
        </el-col>
        <el-col span="8">
            <div class="c1"></div>
        </el-col>
    </el-row>

    <!-- 居中 -->
    <h1>居中</h1>
    <div style="width: 1200px;margin: 0 auto">
        <el-row gutter="10">
            <el-col span="12">
                <div class="c1"></div>
            </el-col>
            <el-col span="12">
                <div class="c1"></div>
            </el-col>
        </el-row>
    </div>

    <h1>练习1</h1>
    <div style="width: 1200px;margin: 0 auto">
        <el-row gutter="10">
            <el-col span="4">
                <div class="c1"></div>
            </el-col>
            <el-col span="8">
                <div class="c1"></div>
            </el-col>
            <el-col span="12">
                <div class="c1"></div>
            </el-col>
        </el-row>
    </div>

    <h1>练习2</h1>
    <div style="width: 1200px;margin: 0 auto">
        <el-row gutter="20">
            <el-col span="4">
                <div class="c1"></div>
            </el-col>
            <el-col span="4">
                <div class="c1"></div>
            </el-col>
            <el-col span="12">
                <div class="c1"></div>
            </el-col>
            <el-col span="4">
                <div class="c1"></div>
            </el-col>
        </el-row>
    </div>

    <h1>练习3</h1>
    <div style="width: 1200px;margin: 0 auto">
        <el-row gutter="5">
            <el-col span="4" v-for="item in 6">
                <div class="c1"></div>
            </el-col>
        </el-row>
    </div>

    <h1>列偏移</h1>
    <el-row>
        <!-- offset 设置偏移的列数 -->
        <el-col span="20" offset="2"><div class="c1"></div></el-col>
    </el-row>
</div>
</body>

<!-- import Vue before Element -->
<script src="https://cdn.staticfile.org/vue/2.6.14/vue.min.js"></script>
<!-- import JavaScript -->
<script src="https://cdn.staticfile.org/element-ui/2.15.9/index.min.js"></script>
<script>
    let v = new Vue({
        el: '#app',
        data: function () {
            return {}
        },
        methods: {}
    })
</script>
</html>